/* ==========================================================================
   Sanchuan Rides - design system
   Logical properties are used throughout so Arabic (dir=rtl) mirrors itself.
   ========================================================================== */

:root {
  --brand: #0B3C6B;
  --brand-dark: #072A4D;
  --brand-light: #1E6FA8;
  --accent: #E4572E;
  --accent-dark: #C4451F;
  --ink: #10161F;
  --muted: #5A6B7B;
  --line: #E1E8F0;
  --bg: #FFFFFF;
  --bg-alt: #F4F8FC;
  --bg-dark: #0A2A47;
  --whatsapp: #25D366;
  --radius: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 2px rgba(16, 22, 31, .06), 0 2px 8px rgba(16, 22, 31, .05);
  --shadow: 0 8px 28px rgba(16, 22, 31, .09);
  --wrap: 1200px;
  --wrap-narrow: 860px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
          "Noto Sans", "Noto Sans Arabic", "Noto Sans SC", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--accent); }

h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .6em; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(1.9rem, 1.2rem + 2.6vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.15rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-inline-start: 1.2em; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 20px; }
.wrap-narrow { max-width: var(--wrap-narrow); }
.center { text-align: center; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; inset-inline-start: -9999px; top: 0; z-index: 999;
  background: var(--brand); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip-link:focus { inset-inline-start: 0; color: #fff; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; border: 1.5px solid transparent;
  font-weight: 600; font-size: .95rem; line-height: 1.2; cursor: pointer;
  transition: transform .15s ease, background-color .15s ease, color .15s ease, border-color .15s ease;
  text-align: center;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; }
.btn-outline { border-color: var(--brand); color: var(--brand); background: transparent; }
.btn-outline:hover { background: var(--brand); color: #fff; }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-whatsapp { background: var(--whatsapp); color: #06331b; }
.btn-whatsapp:hover { background: #1eb757; color: #06331b; }
.btn-sm { padding: 9px 16px; font-size: .875rem; }
.btn-lg { padding: 15px 30px; font-size: 1.02rem; }
.btn-block { width: 100%; }

/* ---------- header ---------- */
.topbar { background: var(--brand-dark); color: #cfe1f2; font-size: .82rem; }
.topbar-inner { display: flex; justify-content: space-between; gap: 16px; align-items: center; min-height: 38px; flex-wrap: wrap; }
.topbar-links { display: flex; gap: 18px; }
.topbar a { color: #fff; }
.topbar a:hover { color: #ffd9c9; }

.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(160%) blur(8px);
  border-block-end: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 18px; min-height: 74px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand-logo { width: 46px; height: 46px; border-radius: 11px; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text strong { font-size: 1.05rem; letter-spacing: .09em; color: var(--brand); }
.brand-text small { font-size: .68rem; letter-spacing: .32em; color: var(--accent); margin-block-start: 3px; }

.site-nav { display: flex; gap: 4px; margin-inline-start: auto; flex-wrap: wrap; }
.nav-link {
  padding: 9px 13px; border-radius: 8px; font-size: .94rem; font-weight: 600; color: var(--ink);
}
.nav-link:hover { background: var(--bg-alt); color: var(--brand); }
.nav-link.is-active { color: var(--brand); background: var(--bg-alt); }

.header-actions { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }

.lang-switch { position: relative; }
.lang-toggle {
  display: inline-flex; align-items: center; gap: 7px; background: #fff;
  border: 1.5px solid var(--line); border-radius: 999px; padding: 8px 13px;
  font: inherit; font-size: .86rem; font-weight: 600; color: var(--ink); cursor: pointer;
}
.lang-toggle:hover { border-color: var(--brand); color: var(--brand); }
.lang-menu {
  position: absolute; inset-inline-end: 0; top: calc(100% + 8px); min-width: 168px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 6px; display: none; z-index: 80;
}
.lang-switch.is-open .lang-menu { display: block; }
.lang-item {
  display: block; padding: 9px 12px; border-radius: 8px; font-size: .9rem; color: var(--ink);
}
.lang-item:hover { background: var(--bg-alt); color: var(--brand); }
.lang-item.is-active { background: var(--brand); color: #fff; }

.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle-bar { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; }

/* ---------- hero ---------- */
.hero {
  background:
    radial-gradient(1100px 520px at 88% -10%, rgba(30, 111, 168, .30), transparent 60%),
    linear-gradient(160deg, var(--brand-dark) 0%, var(--brand) 55%, #14507f 100%);
  color: #fff; padding-block: clamp(44px, 6vw, 84px);
}
.hero-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 46px; align-items: center; }
.hero h1 { color: #fff; margin-block-end: .5em; }
.hero .lead { font-size: 1.08rem; color: #dbe9f6; max-width: 44ch; }
.kicker {
  display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .13em;
  text-transform: uppercase; color: var(--accent); margin-block-end: .9em;
}
.hero .kicker { color: #ffb59a; }
.hero-points { list-style: none; padding: 0; margin: 0 0 1.6em; }
.hero-points li { position: relative; padding-inline-start: 28px; margin-block-end: 8px; color: #e6f0fa; font-size: .96rem; }
.hero-points li::before {
  content: ""; position: absolute; inset-inline-start: 0; top: .55em;
  width: 14px; height: 8px; border-inline-start: 2.5px solid var(--accent);
  border-block-end: 2.5px solid var(--accent); transform: rotate(-45deg);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero .btn-outline { border-color: rgba(255, 255, 255, .6); color: #fff; }
.hero .btn-outline:hover { background: #fff; color: var(--brand); }
.hero-media img {
  width: 100%; border-radius: var(--radius-lg); box-shadow: 0 24px 60px rgba(0, 0, 0, .3);
}

/* ---------- trust bar ---------- */
.trust-bar { background: #fff; border-block-end: 1px solid var(--line); }
.trust-inner { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: center; padding-block: 16px; }
.trust-item {
  font-size: .82rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
}

/* ---------- sections ---------- */
.section { padding-block: clamp(46px, 6vw, 82px); }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 760px; margin-block-end: 38px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-text { color: var(--muted); font-size: 1.03rem; }
.section-foot { margin-block-start: 34px; }

.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(248px, 1fr)); }

/* ---------- cards ---------- */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #cfdcea; }
.card-media { display: block; background: var(--bg-alt); }
.card-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.card-body { padding: 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-body h3 { margin: 0; font-size: 1.1rem; }
.card-body p { color: var(--muted); font-size: .93rem; margin: 0; }
.card-tag {
  align-self: flex-start; font-size: .72rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--brand); background: var(--bg-alt);
  padding: 4px 10px; border-radius: 999px;
}
.card-link { margin-block-start: auto; font-weight: 600; font-size: .9rem; color: var(--accent); }

/* ---------- features / info cards ---------- */
.feature, .info-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow-sm);
}
.feature h3, .info-card h3 { font-size: 1.06rem; }
.feature p, .info-card p { color: var(--muted); font-size: .93rem; margin: 0; }
.feature-icon { display: block; width: 40px; height: 40px; margin-block-end: 14px; border-radius: 11px; background: var(--bg-alt); position: relative; }
.feature-icon::after {
  content: ""; position: absolute; inset: 11px; border-radius: 3px;
  background: var(--brand);
}
.feature-icon[data-icon="safety"]::after { background: var(--accent); border-radius: 50%; }
.feature-icon[data-icon="globe"]::after { background: transparent; border: 2.5px solid var(--brand-light); border-radius: 50%; }
.feature-icon[data-icon="energy"]::after { background: var(--accent); clip-path: polygon(52% 0, 20% 58%, 46% 58%, 40% 100%, 80% 40%, 52% 40%); }
.feature-icon[data-icon="factory"]::after { background: var(--brand); clip-path: polygon(0 100%, 0 45%, 22% 62%, 22% 45%, 46% 62%, 46% 45%, 70% 62%, 70% 30%, 100% 30%, 100% 100%); }
.feature-icon[data-icon="support"]::after { background: var(--brand-light); border-radius: 50% 50% 4px 4px; }

/* ---------- stats ---------- */
.stats-section { background: var(--bg-dark); color: #fff; }
.stats-section h2 { color: #fff; margin-block-end: 34px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 24px; text-align: center; }
.stat-value { display: block; font-size: clamp(1.9rem, 1.3rem + 2vw, 2.8rem); font-weight: 800; color: #fff; letter-spacing: -.02em; }
.stat-label { display: block; color: #a9c6e0; font-size: .9rem; margin-block-start: 6px; }

/* ---------- solutions ---------- */
.solution-card {
  display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; color: var(--ink); box-shadow: var(--shadow-sm);
}
.solution-card:hover { border-color: var(--brand-light); color: var(--ink); }
.solution-card p { color: var(--muted); font-size: .93rem; }
.solution-list { display: flex; flex-direction: column; gap: 34px; }
.solution-block {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 30px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px;
}
.solution-media { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.solution-media img { border-radius: var(--radius); aspect-ratio: 4/3; object-fit: cover; }
.solution-rec { font-size: .93rem; color: var(--muted); }
.calc-box {
  margin-block-start: 40px; background: var(--bg-alt); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 32px; text-align: center;
}
.calc-box h2 { font-size: 1.4rem; }

/* ---------- process ---------- */
.process { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; counter-reset: none; }
.process-step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; position: relative; }
.process-num {
  display: inline-block; font-size: .82rem; font-weight: 800; letter-spacing: .1em;
  color: #fff; background: var(--brand); border-radius: 999px; padding: 3px 11px; margin-block-end: 12px;
}
.process-step h3 { font-size: 1.03rem; }
.process-step p { color: var(--muted); font-size: .92rem; margin: 0; }

/* ---------- faq ---------- */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 22px; cursor: pointer; list-style: none; font-weight: 600;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: var(--bg-alt); }
.faq-icon { position: relative; width: 16px; height: 16px; flex: 0 0 auto; }
.faq-icon::before, .faq-icon::after {
  content: ""; position: absolute; background: var(--brand); border-radius: 2px;
}
.faq-icon::before { inset-inline: 0; top: 7px; height: 2px; }
.faq-icon::after { inset-block: 0; inset-inline-start: 7px; width: 2px; transition: transform .2s ease; }
.faq-item[open] .faq-icon::after { transform: scaleY(0); }
.faq-a { padding: 0 22px 20px; color: var(--muted); }
.faq-a p { margin: 0; }

/* ---------- page head / breadcrumbs ---------- */
.breadcrumbs { background: var(--bg-alt); border-block-end: 1px solid var(--line); font-size: .85rem; }
.breadcrumbs .wrap { padding-block: 11px; color: var(--muted); }
.breadcrumbs .sep { margin-inline: 7px; color: #b6c4d2; }
.page-head {
  background: linear-gradient(160deg, var(--brand-dark), var(--brand));
  color: #fff; padding-block: clamp(36px, 5vw, 62px);
}
.page-head h1 { color: #fff; margin-block-end: .35em; }
.page-head .lead { color: #d5e5f4; max-width: 62ch; margin: 0; font-size: 1.05rem; }

/* ---------- product detail ---------- */
.product-head-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.product-head .card-tag { background: rgba(255, 255, 255, .16); color: #fff; }
.product-head .lead { color: #cfe2f4; }
.product-head .quick-answer {
  background: rgba(255, 255, 255, .1); border-inline-start: 3px solid var(--accent);
  padding: 12px 16px; border-radius: 0 var(--radius) var(--radius) 0; color: #eaf3fb; font-size: .95rem;
}
.product-head-media img { width: 100%; border-radius: var(--radius-lg); box-shadow: 0 20px 50px rgba(0, 0, 0, .3); }
.product-body { display: grid; grid-template-columns: 1.6fr .9fr; gap: 44px; align-items: start; }
.product-main h2 { margin-block-start: 1.4em; }
.product-main h2:first-child { margin-block-start: 0; }
.product-desc { font-size: 1.02rem; color: #33404f; }
.check-list { list-style: none; padding: 0; }
.check-list li { position: relative; padding-inline-start: 28px; margin-block-end: 9px; color: #33404f; }
.check-list li::before {
  content: ""; position: absolute; inset-inline-start: 0; top: .5em; width: 14px; height: 8px;
  border-inline-start: 2.5px solid var(--accent); border-block-end: 2.5px solid var(--accent);
  transform: rotate(-45deg);
}
.tag-list { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tag-list li { background: var(--bg-alt); border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; font-size: .87rem; color: #33404f; }
.product-side { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 96px; }
.side-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); }
.side-box h3, .side-box h2 { font-size: 1.05rem; margin-block-end: .7em; }
.side-box p { color: var(--muted); font-size: .92rem; }
.side-box-cta { background: var(--bg-alt); }
.btn-block + .btn-block { margin-block-start: 10px; }

.spec-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.spec-table th, .spec-table td { text-align: start; padding: 9px 0; border-block-end: 1px solid var(--line); vertical-align: top; }
.spec-table th { color: var(--muted); font-weight: 600; width: 48%; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-block-end: 0; }

/* ---------- filter ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-block-end: 28px; }
.chip {
  font: inherit; font-size: .88rem; font-weight: 600; padding: 8px 16px; border-radius: 999px;
  border: 1.5px solid var(--line); background: #fff; color: var(--ink); cursor: pointer;
}
.chip:hover { border-color: var(--brand); color: var(--brand); }
.chip.is-active { background: var(--brand); border-color: var(--brand); color: #fff; }
.product-card.is-hidden { display: none; }

.catalog-cta { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; }
.catalog-cta h2 { margin: 0 0 .3em; }
.catalog-cta p { margin: 0; color: var(--muted); }

/* ---------- forms ---------- */
.inquiry-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-sm); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field-full { grid-column: 1 / -1; }
.field > span { font-size: .86rem; font-weight: 600; color: #33404f; }
.field em { color: var(--accent); font-style: normal; }
.field input, .field select, .field textarea {
  font: inherit; font-size: .95rem; padding: 11px 13px; border: 1.5px solid var(--line);
  border-radius: 10px; background: #fff; color: var(--ink); width: 100%;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand-light); box-shadow: 0 0 0 3px rgba(30, 111, 168, .14);
}
.check { display: flex; gap: 10px; align-items: flex-start; margin-block: 16px; font-size: .88rem; color: var(--muted); }
.check input { margin-block-start: 4px; }
.form-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.form-alt { font-size: .9rem; color: var(--muted); }
.form-status { margin-block-start: 14px; font-size: .92rem; }
.form-status.is-ok { color: #1a7f45; }
.form-status.is-error { color: #c4381c; }
.hp { position: absolute; inset-inline-start: -9999px; }

.contact-grid { display: grid; grid-template-columns: 1.25fr .85fr; gap: 40px; align-items: start; }
.contact-side { display: flex; flex-direction: column; gap: 20px; }
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { padding-block: 10px; border-block-end: 1px solid var(--line); font-size: .94rem; }
.contact-list li:last-child { border-block-end: 0; }
.contact-list span { display: block; font-size: .78rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
.quick-contact { background: var(--bg-alt); border-radius: var(--radius); padding: 20px; }
.quick-contact h3 { font-size: 1rem; }
.quick-contact p { color: var(--muted); font-size: .9rem; }
.quick-contact .btn { margin-inline-end: 8px; margin-block-end: 8px; }

/* ---------- content helpers ---------- */
.prose p { font-size: 1.03rem; color: #33404f; }
.num-list { counter-reset: n; list-style: none; padding: 0; }
.num-list li { counter-increment: n; position: relative; padding-inline-start: 44px; margin-block-end: 14px; color: #33404f; }
.num-list li::before {
  content: counter(n); position: absolute; inset-inline-start: 0; top: 0;
  width: 28px; height: 28px; border-radius: 50%; background: var(--brand); color: #fff;
  display: grid; place-items: center; font-size: .82rem; font-weight: 700;
}
.thankyou { padding-block: 90px; }
.sitemap-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 30px; }
.sitemap-cols ul { list-style: none; padding: 0; }
.sitemap-cols li { margin-block-end: 8px; }

/* ---------- cta band ---------- */
.cta-band { background: linear-gradient(120deg, var(--brand-dark), var(--brand) 60%, #17568a); color: #fff; }
.cta-band-inner {
  display: flex; flex-wrap: wrap; gap: 26px; align-items: center; justify-content: space-between;
  padding-block: clamp(38px, 5vw, 62px);
}
.cta-band h2 { color: #fff; margin-block-end: .3em; }
.cta-band p { color: #cfe2f4; margin: 0; max-width: 62ch; }
.cta-band-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.cta-band .btn-outline { border-color: rgba(255, 255, 255, .7); color: #fff; }
.cta-band .btn-outline:hover { background: #fff; color: var(--brand); }

/* ---------- footer ---------- */
.site-footer { background: #081F35; color: #b9cfe2; font-size: .92rem; padding-block-start: 56px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.15fr 1fr; gap: 30px; }
.footer-col h3 { color: #fff; font-size: .95rem; letter-spacing: .04em; text-transform: uppercase; margin-block-end: 14px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-block-end: 8px; }
.site-footer a { color: #b9cfe2; }
.site-footer a:hover { color: #fff; }
.footer-about p { font-size: .9rem; color: #9db8ce; }
.brand-footer { margin-block-end: 14px; }
.brand-footer .brand-text strong { color: #fff; }
.footer-legal-name { font-size: .82rem; color: #7f9cb4; }
.footer-contact .fc-label { display: block; font-size: .74rem; text-transform: uppercase; letter-spacing: .08em; color: #7f9cb4; }
.footer-langs { columns: 1; }
.footer-bottom {
  margin-block-start: 40px; border-block-start: 1px solid rgba(255, 255, 255, .1);
  padding-block: 20px; display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
  font-size: .85rem; color: #8aa6bd;
}
.footer-bottom p { margin: 0; }

/* ---------- whatsapp float ---------- */
.wa-float {
  position: fixed; inset-block-end: 20px; inset-inline-end: 20px; z-index: 70;
  width: 56px; height: 56px; border-radius: 50%; background: var(--whatsapp); color: #fff;
  display: grid; place-items: center; box-shadow: 0 10px 26px rgba(37, 211, 102, .38);
  transition: transform .18s ease;
}
.wa-float:hover { transform: scale(1.07); color: #fff; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-about { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .hero-inner, .product-head-inner, .product-body, .contact-grid, .solution-block { grid-template-columns: 1fr; }
  .product-side { position: static; }
  .solution-media { order: -1; }
  .topbar-item { display: none; }
  .topbar-inner { justify-content: center; }
}

@media (max-width: 820px) {
  .nav-toggle { display: block; margin-inline-start: auto; }
  .site-nav {
    display: none; position: absolute; inset-inline: 0; top: 100%;
    background: #fff; border-block-end: 1px solid var(--line);
    flex-direction: column; padding: 10px 20px 18px; box-shadow: var(--shadow); margin: 0;
  }
  .site-nav.is-open { display: flex; }
  .nav-link { padding: 13px 8px; border-block-end: 1px solid var(--line); border-radius: 0; }
  .header-actions .btn-primary { display: none; }
  .header-inner { position: relative; }
}

@media (max-width: 620px) {
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .brand-text small { letter-spacing: .22em; }
  .cta-band-actions .btn { width: 100%; }
}

@media print {
  .site-header, .site-footer, .wa-float, .cta-band, .breadcrumbs { display: none; }
}

/* ---------- photo galleries (real product / factory photography) ---------- */
.gallery {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px; margin-block-start: 20px;
}
.gallery img {
  width: 100%; aspect-ratio: 3 / 2; object-fit: cover;
  border-radius: var(--radius); border: 1px solid var(--line); background: var(--bg-alt);
}
.gallery-wide { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
@media (max-width: 620px) { .gallery, .gallery-wide { grid-template-columns: 1fr 1fr; gap: 10px; } }

/* ---------- catalog request form (email-gated, replaces a PDF download) ---------- */
.catalog-copy { max-width: 52ch; }
.catalog-form {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 22px 22px 16px; box-shadow: var(--shadow-sm);
  flex: 1 1 320px; min-width: 300px; max-width: 420px;
}
.catalog-form .field { margin-block-end: 12px; }
.catalog-form .btn { width: 100%; }
.catalog-form .form-status { margin-block: 10px 0; font-size: .88rem; }
@media (max-width: 760px) {
  .catalog-form { max-width: none; width: 100%; }
  .catalog-copy { max-width: none; }
}
